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Dr. Roland Michal (Credits: Zumtobel Group)https://www.led-professional.com/media/business_company-information_zumtobel-group-gears-up-led-organisation-for-dynamic-growth_zgroup_michal-jpg/viewhttps://www.led-professional.com/media/business_company-information_zumtobel-group-gears-up-led-organisation-for-dynamic-growth_zgroup_michal-jpg/@@images/image-1200-0c9395347284318eda7d097ff8b1279b.jpeg
